222221011001 has 48 divisors (see below), whose sum is σ = 256792927104. Its totient is φ = 191791776000.

The previous prime is 222221010989. The next prime is 222221011063. The reversal of 222221011001 is 100110122222.

It is not a de Polignac number, because 222221011001 - 2¹⁰ = 222221009977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222221017001) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 292011461 + ... + 292012221.

It is an arithmetic number, because the mean of its divisors is an integer number (5349852648).

Almost surely, 2^222221011001 is an apocalyptic number.

It is an amenable number.

222221011001 is a deficient number, since it is larger than the sum of its proper divisors (34571916103).

222221011001 is a wasteful number, since it uses less digits than its factorization.

222221011001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1454 (or 1443 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 222221011001 its reverse (100110122222), we get a palindrome (322331133223).

The spelling of 222221011001 in words is "two hundred twenty-two billion, two hundred twenty-one million, eleven thousand, one".